Dexter /(dĕks"tẽr)/

Dex·ter

Dexter

a.
  1. Pertaining to, or situated on, the right hand; right, as opposed to sinister, or left.
    On sounding wings a dexter eagle flew.
  2. On the right-hand side of a shield, i. e., towards the right hand of its wearer. To a spectator in front, as in a pictorial representation, this would be the left side. (Her.)

Phrases & Compounds
Dexter chief
a point in the dexter upper corner of the shield, being in the dexter extremity of the chief, as A in the cut.
Dexter base
a point in the dexter lower part or base of the shield, as B in the cut.

Dexter

n.
  1. One of a breed of small hardy cattle originating from the Kerry breed of Ireland, valuable both for beef and milk. They are usually chiefly black, sometimes red, and somewhat resemble a small shorthorn in build. Called also Dexter Kerry.